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日本福岛核事故后,核能、安全、健康是公众关注的焦点。核事件后环境中低剂量辐射水平的放射性核素将长期存在,环境本底的改变是否可能对当地居民的健康存在影响是当前研究的热点,研究人员对此进行了核事件后居民健康流行病学调查和低剂量辐射水平动物实验。本文仅就低剂量照射剂量阈值、放射性核素在人体内的吸收和分布,放射性核素致癌效应的分子机制,剂量-效应外推模型以及国外核事件后持续低剂量辐射水平的居民健康流行病学调查研究进展进行综述。
After the Fukushima nuclear accident in Japan, nuclear energy, safety and health are the focus of public concern. Long-term existence of radionuclides in low-level radiation after the nuclear incident will exist in the environment. Whether the change of the environmental background may have an impact on the health of local residents is a hot issue in the current research. The researchers conducted a study on the health epidemic of residents after the nuclear incident Study and low-level radiation animal experiments. This article only on the low dose radiation dose threshold, the absorption and distribution of radionuclides in the human body, the molecular mechanism of radionuclide carcinogenic effects, dose-effect extrapolation model and sustained low doses of radiation after the foreign nuclear health epidemic Survey of research progress.